CN217881315U - Large-current manual-electric integrated high-voltage vacuum permanent magnet circuit breaker - Google Patents
Large-current manual-electric integrated high-voltage vacuum permanent magnet circuit breaker Download PDFInfo
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- CN217881315U CN217881315U CN202221839026.1U CN202221839026U CN217881315U CN 217881315 U CN217881315 U CN 217881315U CN 202221839026 U CN202221839026 U CN 202221839026U CN 217881315 U CN217881315 U CN 217881315U
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Abstract
The utility model relates to a high-current manual-electric integrated high-voltage vacuum permanent magnet circuit breaker, which comprises a permanent magnet mechanism, a vacuum circuit breaking mechanism and a manual driving mechanism which are arranged in a shell, wherein a manual driving cam which is attached to one end of a driving crank arm is connected on a manual driven shaft in a cross way; the shaft section with the elliptic section on the manual driving shaft is connected in a vertical waist hole of the hanging rod in a penetrating way, the lower end of the hanging rod is hinged with one end of a pawl, one end of the pawl is connected on the shell in a pulling way through a return spring, the other end of the pawl is hinged on the shell, and a ratchet wheel connected on the manual driven shaft in a penetrating way is correspondingly arranged below the middle part of the pawl; the external spanner that resets of drive shaft, the articulated arm-tie upper end that resets of drive shaft inner section that resets, the rotatory cross-under of arm-tie that resets lower extreme resets adjusts the post, and the cross-under is reset on the post and is reset the pull rod, and the pull rod activity that resets cross-under is reset actuating arm one end, and the actuating arm one end that drives is connected to the reset actuating arm other end. The circuit breaker effectively gives consideration to safe and stable operation on the basis of manual and electric control.
Description
Technical Field
The utility model relates to a circuit breaker, a heavy current manual-electric integrative high-pressure vacuum permanent magnet circuit breaker specifically says so.
Background
The vacuum permanent magnet circuit breaker is the most commonly used control and protection electric appliance in a distribution circuit, has wide application range and is widely applied to various levels of outgoing lines and terminal systems of a distribution system. The vacuum permanent magnet circuit breaker with the traditional structure needs electric energy supply, and cannot be efficiently and stably connected and disconnected under the condition of power shortage or power loss, so that potential safety hazards in use exist.
Disclosure of Invention
The utility model provides an on manual, electric control's basis, effectively compromise safe, stable operation's integrative high-pressure vacuum permanent magnetism circuit breaker of heavy current manual-electric.
The utility model adopts the technical proposal that: the utility model provides an integrative high-pressure vacuum permanent magnet circuit breaker of heavy current manual-electric, is including setting up permanent magnetic mechanism, vacuum circuit breaker mechanism and the manual drive mechanism in the shell, permanent magnetic mechanism connects the permanent magnetism actuating lever down, and articulated drive connecting lever one end under the permanent magnetism actuating lever, drive connecting lever middle part are in the shell through the cross-under of arm axle, and another termination vacuum circuit breaker of drive connecting lever lower extreme, its characterized in that: the manual driving mechanism comprises a manual driving shaft, a manual driven shaft, a manual driving chain wheel set, a manual driving cam, a hanging rod, a pawl, a ratchet wheel, a reset spring, a tensioning seat, a tensioning swing arm, a tensioning spring, a reset wrench, a reset driving shaft, a reset pull plate, a reset pull rod and a reset driving arm, wherein the manual driving shaft, the manual driven shaft and the reset driving shaft are parallelly connected in a shell in a penetrating manner, the manual driving shaft and the manual driven shaft are connected with the manual driving chain wheel set, the manual driven shaft is connected with the manual driving cam in a penetrating manner, and the manual driving cam is attached to one end of a driving crank arm; the manual driving shaft is fixedly connected with an elliptical cam in a penetrating manner or provided with an elliptical cross section shaft section, the elliptical cam or the elliptical shaft section is connected in a vertical waist hole of the hanging rod in a penetrating manner, the lower end of the hanging rod is hinged with one end of a pawl, one end of the pawl is connected to the shell in a pulling manner through a return spring, the other end of the pawl is hinged to the shell, and a ratchet wheel connected to the manual driven shaft in a penetrating manner is correspondingly arranged below the middle part of the pawl; the reset driving shaft is externally connected with a reset wrench, the inner section of the reset driving shaft is hinged with the upper end of a reset pulling plate, the lower end of the reset pulling plate is rotatably connected with a reset adjusting column in a penetrating way, a reset pull rod is connected on the reset adjusting column in a penetrating way, the reset pull rod is movably connected at one end of a reset driving arm in a penetrating way, and the other end of the reset driving arm is connected with one end of a driving connecting lever; one end of a tensioning swing arm is connected to the manual driven shaft in a penetrating mode, the other end of the tensioning swing arm is hinged to the lower end of a tensioning seat, the upper end of the tensioning seat is hooked to the lower end of a tensioning spring, and the upper end of the tensioning spring is hooked in the shell; the lower end of the tensioning spring is hooked with the crank arm shaft, and the upper end of the tensioning spring is hooked in the shell.
Furthermore, the two sides of the upper end of the tensioning seat are respectively hooked with the lower ends of the two tensioning springs, and the upper ends of the two tensioning springs are hooked in the shell.
Furthermore, a driving guide groove is formed in the permanent magnet driving rod, the manual driven shaft is connected with the driving guide groove in a penetrating mode, and the manual driving cam is attached to the outer side of the hinge pin shaft of the driving crank arm and the permanent magnet driving rod.
Furthermore, the driving crank arm and the permanent magnet driving rod are hinged with a pin shaft and are connected with the other end of the resetting driving arm in a penetrating mode.
Furthermore, the manual limiting swing arm device further comprises a manual limiting swing arm, a manual limiting column and a manual limiting reset spring, the upper end of the manual limiting swing arm is connected to the manual driving shaft, the manual limiting column for limiting excessive rotation of the manual limiting swing arm is arranged on the shell, and the lower end of the manual limiting swing arm is connected to the shell through the manual limiting reset spring.
Further, permanent magnetic mechanism includes power control module, cylinder body, last drive coil, lower drive coil, magnet ring structure in the middle of, move the iron core, the electromagnetic drive axle, power control module sets up in the shell, power drive module connects the upper and lower drive coil in the cylinder body, set up magnet ring structure in the middle of between the upper and lower drive coil, move the iron core cross-under and be on the electromagnetic drive axle and go up and down the drive state in last drive coil, magnet ring structure, the lower drive coil, the permanent magnetism actuating lever is connected to the lower of electromagnetic drive axle.
When the circuit breaker is in an electric working state, the power supply control module supplies power to the lower driving coil to drive the movable iron core to drive the electromagnetic driving shaft to move downwards, the permanent magnet driving rod drives one end of the driving connecting lever downwards to rotate around the connecting lever shaft, and the other end of the driving connecting lever is lifted and is lifted by the insulating pull rod to close the vacuum circuit breaker; on the contrary, the power control module supplies power to the upper driving coil to drive the movable iron core to drive the electromagnetic driving shaft to move upwards, so that the other end of the driving crank arm is driven to descend to disconnect the vacuum circuit breaker.
When the circuit breaker is operated manually, an external wrench is adopted to drive a manual driving shaft to rotate, the manual driving shaft rotates to drive a manual driven shaft to rotate through a manual driving chain wheel set, a manual driving cam on the manual driven shaft rotates along with the manual driving cam to drive a pin shaft for driving a connecting lever to be hinged with a permanent magnet driving lever, and one end of the driving connecting lever is pressed downwards to complete switching-on; meanwhile, the elliptic cam or the shaft section with the elliptic section rotates in the vertical waist hole along with the manual driving shaft, the elliptic cam or the long edge of the ellipse with the shaft section with the elliptic section rotates to the short edge to support the vertical waist hole upwards, the hanging rod moves downwards to put down one end of the ratchet, the ratchet on the manual driven shaft synchronously rotates, the middle claw structure of the ratchet is hooked and locked with the ratchet, the limiting manual driving is in place, the manual driving cam is just in the state that the farthest end presses down the driving crank pin shaft to prevent excessive rotation, the reset driving arm rotates downwards along with the driving crank in the switching-on state, and the tail end of the reset pull rod is pulled and connected to the reset driving arm. The manual driving shaft reversely rotates under the action of a manual limiting reset spring through a manual limiting swing arm, and the elliptical cam or the elliptical short edge provided with the elliptical cross-section shaft section rotates to the long edge and upwards supports the vertical waist hole, so that the hanging rod drives the pawl to overcome the acting force of the reset spring, lift and loosen the pawl to be clamped with the ratchet wheel, and synchronously drive the manual driven shaft to reversely rotate.
When manual work needs to be disconnected, the reset wrench is pressed down, the reset driving shaft rotates to drive the reset pull plate to pull the reset pull rod through the reset adjusting column, the reset pull rod pulls the reset driving arm, and one end of the driving connecting lever is rapidly driven to rotate upwards under the restoring force action of the tensioning spring, so that the disconnection work is completed. The rotation of manual driven shaft is through the rotatory tension seat of its tip taut swing arm, and the location after guaranteeing to rotate to the position by two taut springs in tension seat upper end is taut for the support of manual drive cam is tight stable.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a right side view of FIG. 1;
FIG. 3 isbase:Sub>A view A-A of FIG. 1;
FIG. 4 is a view B-B of FIG. 1;
FIG. 5 is a view taken along line C of FIG. 1;
fig. 6 is a schematic view of the permanent magnet mechanism of the present invention.
In the figure: the device comprises a vacuum circuit breaking mechanism 1, an insulating pull rod 2, a driving crank arm 3, a crank arm shaft 4, a permanent magnet driving rod 5, a cylinder body 6, an upper driving coil 7, a lower driving coil 8, a middle magnet ring structure 9, a movable iron core 10, an electromagnetic driving shaft 11, a manual driving shaft 12, an elliptical shaft section 13, a hanging rod 14, a vertical waist hole 15, a pawl 16, a ratchet 17, a reset spring 18, a manual driven shaft 19, a manual driving cam 20, a crank arm pin shaft 21, a reset driving arm 22, a reset pull rod 23, a reset pull plate 24, a reset pull rod pin 25, a reset driving shaft 26, a driving guide groove 27, a tensioning swing arm 28, a tensioning seat 29, a tensioning spring 30, a tensioning spring 31, a manual limiting swing arm 32, a manual limiting column 33, a manual limiting reset spring 34, a shell 35 and a manual driving chain wheel set 36.
Detailed Description
The following is a further description with reference to the drawings and examples.
FIGS. 1-6 show: a high-current manual-electric integrated high-voltage vacuum permanent magnet circuit breaker comprises a vacuum circuit breaking mechanism 1, an insulating pull rod 2, a driving connecting lever 3, a connecting lever shaft 4, a permanent magnet driving rod 5, a cylinder body 6, an upper driving coil 7, a lower driving coil 8, a middle magnet ring structure 9, a movable iron core 10, an electromagnetic driving shaft 11, a manual driving shaft 12, an elliptical shaft section 13, a hanging rod 14, a vertical waist hole 15, a pawl 16, a ratchet wheel 17, a reset spring 18, a manual driven shaft 19, a manual driving cam 20, a connecting lever pin shaft 21, a reset driving arm 22, a reset pull rod 23, a reset pull plate 24, a reset pull rod pin 25, a reset driving shaft 26, a driving guide groove 27, a tensioning seat 28, a tensioning seat 29, a swing arm spring 30, a tensioning spring 31, a manual limiting swing arm 32, a manual limiting column 33, a manual limiting reset spring 34 and a shell 35.
Permanent magnetic mechanism sets up in shell 35, as fig. 6 permanent magnetic mechanism includes power control module, cylinder body 6, go up drive coil 7, lower drive coil 8, middle magnet circle structure 9, move iron core 10, electromagnetic drive axle 11, power control module sets up in the shell, power drive module connects the interior upper and lower drive coil 7 of cylinder body 6, 8, go up, set up middle magnet circle structure 9 between the lower drive coil, move iron core 10 and cross-under and be on electromagnetic drive axle 11 and be last drive coil, middle magnet circle structure, the interior lift drive state of lower drive coil, electromagnetic drive axle lower joint permanent magnetism actuating lever 5.
As shown in fig. 4, a driving guide groove 27 is formed on the permanent magnet driving rod 5, a manual driven shaft 19 penetrates through the driving guide groove 27 and is connected in a penetrating manner in the shell, a manual driving cam 20 is sleeved on the manual driven shaft 19, the lower end of the permanent magnet driving rod 5 is connected with the front end of a driving crank arm 3 in a pin manner through a crank arm pin 21, a crank arm shaft 4 in the middle of the driving crank arm 3 penetrates in the shell, the rear end of the driving crank arm is hinged with an insulating pull rod 2 of the vacuum circuit breaking mechanism 1, the crank arm pin 21 is further connected with one end of a reset driving arm 22, the other end of the reset driving arm 22 is connected with a reset pull rod pin 25 in a penetrating manner, two ends of the reset pull rod pin 25 are connected with the lower ends of two reset pull rods 23 in a penetrating manner, the reset pull rods can slide in the reset pull rod pins and the bottoms of the reset pull rods are limited and prevented from falling off, the upper ends of the reset pull rods 23 are connected in a penetrating manner through the two ends of the reset pull plate 24, the extended reset pull plate 24 is hinged on a reset driving shaft 26 on the penetrating shell, and the reset driving shaft 26 is externally connected with a reset wrench outside the shell. Referring to fig. 1, the driving crank arm is connected to the lower end of a tension spring 31 through a connecting seat, and the upper end of the tension spring 31 is connected to the inside of the housing.
As shown in fig. 2, the manual driving shaft 12 parallel to the upper side of the manual driven shaft 19 is further connected to the housing in a penetrating manner, the manual driving shaft 12 and the manual driven shaft 19 are in winding transmission through a manual driving chain wheel set 36, an elliptical shaft section 13 with an elliptical cross section at one end is arranged on the manual driving shaft 12, the elliptical shaft section 13 is hung in a vertical waist hole 15 of the hanging rod 14, the lower end of the hanging rod 14 is hinged to one end of a pawl 16, one end of the pawl 16 is further connected to the housing in a pulling manner through a return spring 18, the other end of the pawl 16 is hinged to the housing, a ratchet 17 correspondingly clamped and matched with the pawl 16 is arranged below the pawl 16, and the ratchet 17 is connected to the manual driven shaft 19 in a penetrating manner.
As shown in fig. 3, one end of a manual limiting swing arm 32 is connected in the manual driving shaft 12 on the inner wall of the housing, the other end of the manual limiting swing arm 32 is connected with the upper end of a manual limiting return spring 34 in a pulling manner, the lower end of the manual limiting return spring 34 is connected with the inner wall of the housing, and a manual limiting column 33 corresponding to the manual limiting swing arm 32 is further arranged on the inner wall of the housing.
As shown in FIG. 5, the inner end of the manual driven shaft 19 is connected with one end of the tension swing arm 28 in a penetrating way, the other end of the tension swing arm 28 is hinged with the lower end of the tension seat 29, the two sides of the upper end of the tension seat 29 respectively tension the lower ends of the two tension springs 30, and the upper ends of the two tension springs 30 are hooked in the shell.
Claims (6)
1. The utility model provides an integrative high-pressure vacuum permanent magnet circuit breaker of heavy current manual-electric, is including setting up permanent magnetic mechanism, vacuum circuit breaker mechanism and the manual drive mechanism in the shell, permanent magnetic mechanism connects the permanent magnetism actuating lever down, and articulated drive connecting lever one end under the permanent magnetism actuating lever, drive connecting lever middle part are in the shell through the cross-under of arm axle, and another termination vacuum circuit breaker of drive connecting lever lower extreme, its characterized in that: the manual driving mechanism comprises a manual driving shaft, a manual driven shaft, a manual driving chain wheel set, a manual driving cam, a hanging rod, a pawl, a ratchet wheel, a reset spring, a tensioning seat, a tensioning swing arm, a tensioning spring, a reset wrench, a reset driving shaft, a reset pull plate, a reset pull rod and a reset driving arm, wherein the manual driving shaft, the manual driven shaft and the reset driving shaft are parallelly connected in a shell in a penetrating manner, the manual driving shaft and the manual driven shaft are connected with the manual driving chain wheel set, the manual driven shaft is connected with the manual driving cam in a penetrating manner, and the manual driving cam is attached to one end of a driving crank arm; the manual driving shaft is fixedly connected with an elliptical cam in a penetrating manner or is provided with an elliptical cross section shaft section, the elliptical cam or the elliptical shaft section is connected in a vertical waist hole of the hanging rod in a penetrating manner, the lower end of the hanging rod is hinged with one end of a pawl, one end of the pawl is connected to the shell in a pulling manner through a return spring, the other end of the pawl is hinged to the shell, and a ratchet wheel connected to the manual driven shaft in a penetrating manner is correspondingly arranged below the middle part of the pawl; the reset driving shaft is externally connected with a reset wrench, the inner section of the reset driving shaft is hinged with the upper end of a reset pulling plate, the lower end of the reset pulling plate is rotatably connected with a reset adjusting column in a penetrating way, a reset pull rod is connected on the reset adjusting column in a penetrating way, the reset pull rod is movably connected at one end of a reset driving arm in a penetrating way, and the other end of the reset driving arm is connected with one end of a driving connecting lever; one end of a tensioning swing arm is connected to the manual driven shaft in a penetrating mode, the other end of the tensioning swing arm is hinged to the lower end of a tensioning seat, the upper end of the tensioning seat is hooked to the lower end of a tensioning spring, and the upper end of the tensioning spring is hooked in the shell; the lower end of the tension spring is hooked with the crank arm shaft, and the upper end of the tension spring is hooked in the shell.
2. The high-current manual-electric integrated high-voltage vacuum permanent magnet circuit breaker as claimed in claim 1, wherein: the two sides of the upper end of the tensioning seat are respectively hooked with the lower ends of the two tensioning springs, and the upper ends of the two tensioning springs are hooked in the shell.
3. The high-current manual-electric integrated high-voltage vacuum permanent magnet circuit breaker as claimed in claim 1, wherein: the permanent magnet driving rod is provided with a driving guide groove, the manual driven shaft is connected with the driving guide groove in a penetrating mode, and the manual driving cam is attached to the outer side of the hinge pin shaft of the driving crank arm and the permanent magnet driving rod.
4. A high-current manual-electric integrated high-voltage vacuum permanent magnet circuit breaker as claimed in claim 3, characterized in that: and the driving crank arm and the permanent magnet driving rod are hinged with a pin shaft and are connected with the other end of the resetting driving arm in a penetrating way.
5. The high-current manual-electric integrated high-voltage vacuum permanent magnet circuit breaker as claimed in claim 1, wherein: still include manual spacing swing arm, manual spacing post, manual spacing reset spring, connect manual spacing swing arm upper end on the manual driving shaft, set up the spacing post of spacing manual spacing swing arm excessive rotation on the shell, manual spacing swing arm lower extreme connects on the shell through manual spacing reset spring.
6. The high-current manual-electric integrated high-voltage vacuum permanent magnet circuit breaker as claimed in claim 1, wherein: the permanent magnetic mechanism comprises a power supply control module, a cylinder body, an upper driving coil, a lower driving coil, an intermediate magnet coil structure, a movable iron core and an electromagnetic driving shaft, wherein the power supply control module is arranged in the shell, the power supply driving module is connected with the upper and lower driving coils in the cylinder body, the intermediate magnet coil structure is arranged between the upper and lower driving coils, the movable iron core is connected to the electromagnetic driving shaft in a crossing manner to be in a lifting driving state in the upper driving coil, the intermediate magnet coil structure and the lower driving coil, and the electromagnetic driving shaft is connected with the permanent magnetic driving rod in a lower mode.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123016301 | 2021-12-03 | ||
| CN2021230163018 | 2021-12-03 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217881315U true CN217881315U (en) | 2022-11-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221839026.1U Active CN217881315U (en) | 2021-12-03 | 2022-07-18 | Large-current manual-electric integrated high-voltage vacuum permanent magnet circuit breaker |
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| CN (1) | CN217881315U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113990706A (en) * | 2021-12-03 | 2022-01-28 | 泰兴市华诚机电制造有限公司 | Large-current manual-electric integrated high-voltage vacuum permanent magnet circuit breaker |
-
2022
- 2022-07-18 CN CN202221839026.1U patent/CN217881315U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113990706A (en) * | 2021-12-03 | 2022-01-28 | 泰兴市华诚机电制造有限公司 | Large-current manual-electric integrated high-voltage vacuum permanent magnet circuit breaker |
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